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塑料毛毡在国外一般都用来铺体育场地,或装饰室内外草坪因此也叫人造草皮,加拿大借用到罗斯溜槽选金.使用这种草皮选金效果很好,因此我省在1984年首先引进了20mm、6mm厚的绿色塑料毛毡,仅一年多时间就有三十多个单位采用这种毛毡选金.现在我省砂金生产由于露天采场龙江1型溜槽的研制成功,国营、群采单位竞相使用,更加体现出它的作用.
Plastic felt in foreign countries are generally used to shop sports venues, or decorating indoor and outdoor lawn so-called artificial turf, Canada borrowed Ross chute election gold. The use of such turf gold election results very well, so our province was first introduced in 1984 20mm, 6mm thick green plastic felt, only more than a year more than thirty units using this blanket selection of gold now sand production in our province as a result of the open pit Longjiang Type 1 chute successfully developed, state-owned, group mining Units competing to use more to reflect its role.